BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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DEN→DSM

Southwest Airlines Denver, CO (DEN) to Des Moines, IA (DSM) reliability

Among 559 scheduled Southwest Airlines flights from DEN to DSM, 66.7% arrived on time, 22.2% arrived at least 30 minutes late, and 0.4% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: Southwest Airlines (WN) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
66.7%arrived on time
22.2%30+ min late
0.4%cancelled
559scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late22.2%
60+ minutes late10.9%
Cancelled0.4%
Average arrival+17.9 mincompleted flights

What did Southwest Airlines DEN to DSM record?

Southwest Airlines completed 99.3% of its scheduled reportable DEN to DSM flights in the observation window. 66.7% of all scheduled flights arrived less than 15 minutes late, while 10.9% arrived at least an hour late.

What were Southwest Airlines DEN to DSM disruption rates?

For Southwest Airlines DEN-to-DSM flights, 22.2% arrived at least 30 minutes late, 0.4% were cancelled, and 0.4% were diverted.

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What was the Southwest Airlines DEN to DSM scheduled cohort?

The Southwest Airlines DEN-to-DSM cohort contained 559 scheduled flights; 555 completed, 2 were cancelled, and 2 were diverted.

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.